The union representing 400 striking workers at Just Born Quality Confections in Bethlehem, Pennsylvania, says workers are returning Friday. They went on strike Sept. 7 from the company that makes Peeps as well as Mike and Ike candies.

The union offered to return to work Thursday, a day after the company filed a federal lawsuit claiming the strike violated a no-strike provision of a contract that expired June 18. The company says the no-strike clause was still in effect until Sept. 18 under a contract extension, but the union says it expired with the contract.